<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    .h1 {
            text-shadow: 2px 2px;
          }
           div{
           height: 200px;
            width: 200px;
            background-color:gold;
            margin:auto;
            transition: all 2s linear 0s;
          }
          div:hover{
              border-radius: 50%;
              background-color: white;
              box-shadow: inset 10px 10px 15px #3c3c3c;
          }
    </style>
</head>
<body>
      
       <div></div>
    
</body>
</html>